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    SubjectRe: PS2 Input Core Support
    Vojtech Pavlik wrote:

    > On Wed, Jul 17, 2002 at 02:55:21PM +0200, Petr Vandrovec wrote:
    > > On 17 Jul 02 at 14:44, Vojtech Pavlik wrote:
    > >
    > > > > --- a/drivers/input/mouse/psmouse.c Wed Jul 17 12:19:13 2002
    > > > > +++ b/drivers/input/mouse/psmouse.c Wed Jul 17 12:19:13 2002
    > > > > @@ -142,7 +142,7 @@
    > > > > */
    > > > >
    > > > > if (psmouse->type == PSMOUSE_IMEX) {
    > > > > - input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[2] & 7));
    > > > > + input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));
    > > > > input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);
    > > > > input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);
    > > > > }
    > >
    > > Hi,
    > > any plans to support A4Tech mouse? It uses IMEX protocol, but
    > >
    > > switch(packet[3] & 0x0F) {
    > > case 0: /* nothing */
    > > case 1: vertical_wheel--; break;
    > > case 2: horizontal_wheel++; break;
    > > case 0xE: horizontal_wheel--; break;
    > > case 0xF: vertical_wheel++; break;
    > > }
    > >
    > > and obviously it never reports wheel move > 1 in one sample.
    >
    > Is there a way to detect whether it's an ImEx or A4? Or will we need a
    > command line parameter ... ?

    from http://home.t-online.de/home/gunther.mayer/gm_psauxprint-0.01.c :

    char a4tech_id[]={ 0xf3,200, 0xf3,100, 0xf3,80, 0xf3,60, 0xf3,40, 0xf3,20};

    if(a4tech) {
    sendbuf(fd,f,a4tech_id,12);
    buf[0]=0xf2;
    write(fd,&buf,1);
    b=consumefa(f);
    printf("a4tech ID(f2) is %x\n",b);

    if(b==6 || b==8) printf("AUTODETECT: a4tech\n");
    // b=6: spiffy gyro-mouse "8D Profi-Mouse Point Stick"
    // b=8: boeder Smartmouse Pro (4Button, 2Scrollwheel, 520dpi) PSM_4DPLUS_ID MOUSE_MODEL_4DPLUS
    }


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